<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <div class="header">header</div>
    <div class="left">left</div>
    <div class="right">right</div>
    <div class="middle">middle</div>
    <div class="footer">footer</div>
</body>
<style>
    * {
        margin: 0px;
        padding: 0px;
        height: 700px;
    }
    
    .header,
    .footer {
        height: 70px;
        background-color: pink;
    }
    
    .left {
        float: left;
        width: 200px;
        background-color: aqua;
    }
    
    .right {
        float: right;
        width: 300px;
        background-color: aquamarine;
    }
    
    .middle {
        margin-left: 200px;
        margin-right: 300px;
        background-color: bisque;
    }
</style>

</html>